牛津译林版高中英语Module4Unit2Grammar(共31张)课件

Module4Unit2Sportvents
Grammar
牛津高中英语(模块四·高一下学期)
Module4Unit2Sportvents
Grammar
modalverbs
情态动词
opinionsandattitudes
Grammarmodalverbsopinionsan
Abetterknowledgeofmodalverbs
Abetterunderstandingofthespeaker
Lead-in
Abetterknowledgeofmodalve
1) 本身有词义
2)只能和动词原型一起构成谓语动词
3)情态动词没有人称和数的变化
Features
1) 本身有词义Features
1. 只做情态动词:
must,can/could,may/might,oughtto
2.既可作情态动词又为助动词:
shall/should,will/would
3.既可作情态动词又为实义动词:
need,dare
4.具有情态动词特征:
beableto,haveto(有时态、人称、数的变化)
Fourcategories
1. 只做情态动词:Fourcategories
1.Ability(能力)
2.Obligation(职责)
3.Certainty(推测)
4.Permission(许可)
Differentfunctions
5.Makerequests(提出请求)
6.Makesuggestions(提出建议)
7.Makeoffers(提供帮助)
8.Giveadvice(提出意见)
1.Ability(能力)Differentfunc
1.Ability
LiuXiangcanrunthe110mhurdleracewithin13conds.
1.AbilityLiuXiangcanr
Somefunctionsofcan
A:Canthiskangaroobestillalive?
B:No,itcan’tbe.
Afirelikethiscanbeverydestructive.
A:CouldIhaveatry?
B:ofcour,youcan.
…
B:Youmadeit!Howcanthisbetrue!
Youmustbeanangel!Youcansavealotoflives!
推测(否定疑问;could语气更委婉)
往往可能有时可能(肯定)
允许(could语气更委婉)
怎么能(否定疑问感叹;惊讶怀疑)
能力
Somefunctionsofcan推测
Thefactorycouldproduce100,000masksaday.
一般能力can
Thefactorywasabletoproduce100,000masksadayinthecrisis.
过去时,具体能力(需某种条件或努力做成某事)
isableto/havebeenableto/willbeableto…
can;beableto
Thefactorycouldproduce10
2.Obligation
I’msotired!Ihavetodothetrainingforatleast10hoursaday!
AlthoughLiuXiangissogiftedinhurdlerace…
…yethemustworkhardtowinthegoldmedal.
2.ObligationI’msotired